Method for channel and interference measurement and device

A terminal device, comprising a memory, a processor, and a wireless communications program stored in the memory and running on the processor, wherein when the wireless communications program is executed by the processor, the following steps are implemented:

• receive a first group of reference signal resources, wherein the first group of reference signal resources is used to measure a channel corresponding to a first reference signal resource in the first group of reference signal resources and a first interference corresponding to the first reference signal resource, the first interference represents an inter-beam interference;
• receive a second group of reference signal resources having an association relationship with the first group of reference signal resources, wherein the second group of reference signal resources is used to measure a second interference corresponding to the first reference signal resource, the second interference represents a neighboring-cell interference and measuring, at least one reference signal resource in the second group of reference signal resources partially or completely overlaps with at least one reference signal resources in the first group of reference signal resources;
• measure, based on quasi co-location (QCL) information of the first reference signal resource by using the first group of reference signal resources, the channel corresponding to the first reference signal resource and the first interference corresponding to the first reference signal resources;
• and
• measure, based on the QCL information of the first reference signal resource by using the second group of reference signal resources, the second interference corresponding to the first reference signal resource.

A network device, comprising a memory, a processor, and a wireless communications program stored in the memory and running on the processor, wherein when the wireless communications program is executed by the processor, the following steps are implemented:

• transmit, to a terminal device, a first group of reference signal resources comprising a first reference signal resource and a second group of reference signal resources having an association relationship with the first group of reference signal resources, the first group of reference signal resources being used to measure a channel corresponding to a first reference signal resource in the first group of reference signal resources and a first interference corresponding to the first reference signal resource, the second group of reference signal resources being used to measure a second interference corresponding to the first reference signal resource, the first interference represents an inter-beam interference and the second interference represents a neighboring-cell interference, at least one reference signal resource in the second group of reference signal resources partially or completely overlaps with at least one reference signal resources in the first group of reference signal resources;
• measure, based on quasi co-location (QCL) information of the first reference signal resource by using the first group of reference signal resources, the channel corresponding to the first reference signal resource and the first interference corresponding to the first reference signal resources;
• and
• measure, based on the QCL information of the first reference signal resource by using the second group of reference signal resources, the second interference corresponding to the first reference signal resource.